Level 5 · word 10,447 of 20,000

fruitless

/ˈfruːtləs/ American
  • adj. 不结果实的, 无子的
Definition
  • adj. producing no fruit or seeds
Example
Their search for the missing keys proved completely fruitless.
他们寻找丢失钥匙的努力最终毫无结果。